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    CVE-2026-0834

    Logic vulnerability in TP-Link Archer C20 v5, 6.0, Archer AX53 v1.0 and TL-WR841N v13 (TDDP module) allows unauthenticated adjacent attackers to execute administrative commands including factory reset and device reboot without credentials. Attackers on the adjacent network can remotely trigger factory resets and reboots without credentials, causing configuration loss and interruption of device availability. This issue affects Archer C20 v6.0 < V6_251031, Archer C20 v5 <EU_V5_260317 or < US_V5_260419 Archer AX53 v1.0 < V1_251215 TL-WR841N v13 < 0.9.1 Build 20231120 Rel.62366

    Published:Jan 21, 2026
    Last Modified:Apr 28, 2026
    EPS:Jan 21, 2026
    EPSS Score:0.00013
    CVSS Score:8.8

    Affected Products

    Vendor
    Tp-link
    Product
    Archer Ax53
    Vendor
    Tp-link
    Product
    Archer Ax53 Firmware
    Vendor
    Tp-link
    Product
    Archer C20
    Vendor
    Tp-link
    Product
    Archer C20 Firmware

    Exploits

    https://github.com/mattgsys/CVE-2026-0834

    Related CVEs

    CVE-2026-30818 (CVSS 8.5) — An OS command injection vulnerability in the dnsmasq module of TP-Link Archer AX53 v1.0 allows an authenticate…
    CVE-2026-30817 (CVSS 6.8) — An external configuration control vulnerability in the OpenVPN module of TP-Link AX53 v1.0 allows an authentic…
    CVE-2026-30816 (CVSS 6.8) — An external control of configuration vulnerability in the OpenVPN module of TP-Link AX53 v1.0 allows an authen…
    CVE-2026-30815 (CVSS 8.5) — An OS command injection vulnerability in the OpenVPN module of TP-Link Archer AX53 v1.0 allows an authenticate…
    CVE-2026-30814 (CVSS 7.3) — A stack-based buffer overflow in the tmpServer module of TP-Link Archer AX53 v1.0 allows an authenticated adja…
    CVE-2025-15608 (CVSS 7.7) — This vulnerability in AX53 v1, AX55 v4 and AX55 v4.6 results from insufficient input sanitization in the devic…
    CVE-2025-15607 (CVSS 7.3) — A command injection vulnerability on AX53 v1 occurs in mscd debug functionality due to insufficient input hand…
    CVE-2025-62673 (CVSS 8.6) — Heap-based Buffer Overflow vulnerability in TP-Link Archer AX53 v1.0 (tdpserver modules) allows adjacent attac…
    CVE-2025-62501 (CVSS 7) — SSH Hostkey misconfiguration vulnerability in TP-Link Archer AX53 v1.0 (tmpserver modules) allows attackers to…
    CVE-2025-62405 (CVSS 7.3) — Heap-based Buffer Overflow vulnerability in TP-Link Archer AX53 v1.0 (tmpserver modules) allows authenticated …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-0834 — Tp-Link (High 7.2) | CVE-DB